APA (7e ed.) Bronvermelding

Sigdel, A., Chaudhary, S., Srivastava, A., & Jha, H. (2016). A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S.

Chicago (17e ed.) Bronvermelding

Sigdel, A., S. Chaudhary, A. Srivastava, en HR Jha. A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. 2016.

MLA (8e ed.) Bronvermelding

Sigdel, A., et al. A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. 2016.